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Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592. Williams S. (2008) The calcareous operculum as a character for defining subgenera in the marine gastropod genus Turbo. Vita Malacologica 7 ...
An old empty shell of Megastraea undosa, wedged under a rock and covered in the pink coralline alga Lithothamnion, which has cemented it to the substrate.. Megastraea undosa, common name the wavy turban snail, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. [2]
Turritellidae, with the common name "tower shells" or "tower snails", is a taxonomic family of small- to medium-sized sea snails, marine gastropod molluscs in the Sorbeoconcha clade. They are filter feeders ; this method of feeding is somewhat unusual among gastropod mollusks, but is very common in bivalves .
Tonna galea, commonly known as the giant tun, is a species of marine gastropod mollusc in the family Tonnidae (also known as the tun shells). This very large sea snail or tun snail is found in the North Atlantic Ocean as far as the coast of West Africa, in the Mediterranean Sea and the Caribbean Sea.
Aliger gigas is a prey species for several carnivorous gastropod mollusks, including the apple murex Phyllonotus pomum, the horse conch Triplofusus papillosus, the lamp shell Turbinella angulata, the moon snails Natica spp. and Polinices spp., the muricid snail Phyllonotus margaritensis, the trumpet triton Charonia variegata and the tulip snail ...
Three species of the gastropod family Littorinidae are common on the West Africa shore. Littorina punctata has a shell height of about 8–15 mm, color brown or grey with white markings in spiral rows often giving a checked appearance. This species is usually common on all rocky West African shores, occurring from the middle to upper parts ...
The shell of Stenotrema florida, a land snail or terrestrial gastropod.The periostracum of this species has minute hairs, giving the snail a velvety feel A yellowish tan periostracum is visible on the lower two thirds of this juvenile (8 cm) valve of the marine bivalve Spisula solidissima The dark periostracum is flaking off of this dried-out valve of the "ocean quahog", marine bivalve Arctica ...
The shells of the Volvatellidae and Oxynoidae somewhat resemble those of the cephalaspid bubble snails. The Juliidae are extraordinary in that they are shelled, bivalved gastropods. They have a shell in two pieces, which resemble the valves of a minute clam.